CLOUD
It is a set of automated technology and business services and a source of computing resources available through the internet. Computer resources include computing capabilities, storage and bandwidth as well as development platform and software services are scalable instantly, delivered as needed and with a cost model based on actual resource consumption.

Its benefits
Cloud-based services offer the following benefits
Cost Effectiveness
Flexibility
Quick response to new business needs
Simplicity
Cloud Types
It can be divided into 3 types
Public Cloud (External Cloud)
The resources are offered dynamically in the form of self-service through the internet
It offers services of variable infrastructure in a system of "payment for use"
Private Cloud (Internal Cloud)
It runs within the organization behind the corporate firewall and is only accessible to users in the organization
IT environment under customer control
Generally it is the evolution towards the virtualisation of the own IT systems
Hybrid cloud
It is composed of both external and internal suppliers. It is the configuration to which many companies are going.
Hybrid clouds require interaction between public and private clouds
SAP Products in Cloud
These are the products SAP has in the cloud

Good Reasons for SAP Cloud Computing
Fast deployment time, providing fast access to functionality
Reduced IT efforts because both the operation and the maintenance of the hardware and software are the responsibility of the supplier
Flexibility due to underwriting contracts rather than license agreements and "pay what you use" concepts
Scalability to support changing business needs and support growth